Java tutorial
//package com.java2s; /* * Copyright (C) 2017 Bilibili * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ import android.media.ExifInterface; import java.io.IOException; public class Main { public static int getRotateDegree(String path) { int result = 0; try { ExifInterface exif = new ExifInterface(path); int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL); switch (orientation) { case ExifInterface.ORIENTATION_ROTATE_90: result = 90; break; case ExifInterface.ORIENTATION_ROTATE_180: result = 180; break; case ExifInterface.ORIENTATION_ROTATE_270: result = 270; break; } } catch (IOException ignore) { return 0; } return result; } }